Calculate percent ionization of a weak acid or base

Chemistry Tutorial: Calculate percent ionization of a weak acid or base

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[mercyobiozor]

Please I need help in solving the question below. 

Acetic acid has a pka of 4.76
a) what is the molar concentration of acetate and hydronium ion in 0.2M aqueous solution of acetic acid

b)what is the %ionization

[justinhollar]

This is really only helpful for people who are having conceptual trouble with the percentages, hardly any chemistry knowledge here /:

[katiebelles]

thanks, simple and to the point. very helpful